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https://issues.apache.org/jira/browse/HADOOP-14043?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15847393#comment-15847393
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Ted Yu commented on HADOOP-14043:
---------------------------------
When hbase runs mapreduce jobs, io.netty:netty:jar:3.6.2.Final (from hadoop)
would appear ahead of io.netty:netty-all:jar:4.1.1.Final in the classpath,
leading to NoSuchMethodException.
> Shade netty dependency
> ----------------------
>
> Key: HADOOP-14043
> URL: https://issues.apache.org/jira/browse/HADOOP-14043
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 2.8.0
> Reporter: Ted Yu
>
> During review of HADOOP-13866, [~andrew.wang] mentioned considering shading
> netty before putting the fix into branch-2.
> This would give users better experience when upgrading hadoop.
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